CN102670293A - Bionic elastic fixing device - Google Patents
Bionic elastic fixing device Download PDFInfo
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- CN102670293A CN102670293A CN201210188096XA CN201210188096A CN102670293A CN 102670293 A CN102670293 A CN 102670293A CN 201210188096X A CN201210188096X A CN 201210188096XA CN 201210188096 A CN201210188096 A CN 201210188096A CN 102670293 A CN102670293 A CN 102670293A
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Abstract
The invention discloses a bionic elastic fixing device and belongs to the technical field of orthopaedics medical devices. The bionic elastic fixing device is used for implementing bionic elastic internal fixation for joint dislocation. The technical scheme includes that the bionic elastic fixing device comprises an elastic component and a fixing member, wherein the elastic component comprises a plurality of elastic strip cables or elastic meshes, the elastic direction of the elastic strip cables or the elastic meshes is the same as the trend of ligament fibers at a position of a dislocated joint, the elasticity modulus of the elastic strip cables or the elastic meshes is matched with the elasticity of the ligament fibers at the position of the dislocated joint, two ends of the elastic component are fixedly connected with the dislocated joint through the fixing member, and the shape of the elastic component is the same as that of a ligament at the position of the dislocated joint. The elastic fixing device simulates the ligament at the position of the dislocated joint to implement elastic fixation on the dislocated joint, the fixed dislocated joint can conduct micro-motion according to biological characteristics of the original joint and simulates the physiological status of the original joint to the largest extent so as to obtain the best therapeutic effect, and the bionic elastic fixing device has the advantages that postoperative recovery is fast, the dislocation recurrence rate is low, recovery of functions of dislocated portions of patients is good and the like.
Description
Technical field
The present invention relates in the treatment of a kind of orthopedics injuries joint dislocation is implemented the device of internal fixation, belong to the orthopedic medical device technical field.
Background technology
In orthopaedics therapy, joint dislocation is a kind of common damage, fixedly is topmost link in the treatment to the dislocation joint of damaging.Find that in treatment clinical course being fixed as of present joint dislocation is strong fixing, does not meet the biomechanics rule, postoperative effect is not good enough, is necessary to improve.Specify with several kinds of joint dislocation and the isolating example that is fixed as below.
Acromioclavicular joint is a kind of amphiarthrosis, and movement is done 0 °-30 ° on the shoulder joint abduction, and when surpassing 135 °, acromioclavicular joint can carry out 20 ° fine motion to accomplish the fine movement of upper limb.Acromioclavicular joint dislocation is one of common clinically damage, and its operation method has kind surplus clavicle hook plate, suture anchor, Kirschner wire tension band and the Endobutton internal fixation etc. 30.In these methods, clavicle hook plate treatment acromioclavicular joint dislocation, though respond well, the operation method wound is big, soft tissue injury heavy, hook plate passes under acromion, when the upper limb abduction, produce bump under the acromion easily, and price is comparatively expensive; Kirschner wire tension force has to deviate from, fixing not firm and shortcoming such as shakiness before and after causing.Particularly all to be that acromioclavicular joint with fine motion gives strong fixing for these internal fixation methods, violated its biomechanics rule, remove inside-fixture after, the acromioclavicular joint dislocation relapse rate is high, patient's shoulder function is often limited.
Jower tibiofibular joint is made up of syndesmosis, pleat and synostosis three parts, and the Jower tibiofibular joint structure firmly but also flexible, had been the important rock-steady structure that guarantees the ankle joint proper motion not only.The lower tibiofibula combined ligament plays important effect in keeping dislocation of ankle joint, be that the essence that the lower tibiofibula fiber of main component connects is an amphiarthrosis with the forward and backward ligament of lower tibiofibula, in the fine movement of regulating ankle joint, has important effect.Ankle joint fracture dislocation is one of modal fracture dislocation clinically, and the patient of wherein nearly 60% ankle joint fracture dislocation merges lower tibiofibula and separates.It is clinical common damage that lower tibiofibula separates, and can cause outside the ankle joint shakiness, because the change of ankle joint contact area and biomechanics characteristic thereof, possible secondary osteoarthritis increases the weight of the ankle joint infringement.Lower tibiofibula links the treatment of damage should keep flexible fastening.At present; The isolating early operation internal fixation of acute lower tibiofibula is still main treatment means, and modus operandi commonly used is to reset to use lag screw after the Jower tibiofibular joint and fix, however this fixedly be strong fixing; Do not meet the biomechanics characteristic of Jower tibiofibular joint, should go flexible fastening.
Pubic symphysis is that the symphysial surface mat fibrous cartilage both sides is formed by connecting.Above and below and front all have ligament to strengthen, the top be superior pubic ligament, the below be arcuate pubic ligament.It is common injury of pelvis that pubic symphysis separates.The same with above-mentioned articulation structure, pubic symphysis also is an amphiarthrosis.This joint fine motion characteristic complete particularly important in women's spontaneous labor process.The treatment of the equivalent damage of pubic symphysis separation at present mainly comprises with anatomical reduction and strong internal fixation treatment and the fast processing that is fixed as purpose treats to keep its external fixation that stabilizes to purpose.These two kinds of therapeutic strategies all do not take into full account pubic symphysis as amphiarthrodial structure and biomechanics characteristic, are prone to the fixing shortcoming such as insecure of inside-fixture local excitation, external fixation thing after the treatment.
Distal radioulnar ioint is the balland socket joint that is made up of head of ulna and radius simoid notch, in keeping the conduction of forearm spinfunction and forearm mechanics, all plays an important role.Interosseous membrane, dorsal part cubitoradial ligament and palmar cubitoradial ligament are to keep the stable key factor of distal radioulnar ioint.Joint dislocation and ligament injury etc. are the major reasons of wrist pain, function limitation.Dislocation of distal radioulnar joint or its main therapeutic scheme of ligament injury on every side comprise expectant treatment, joint capsule desmorrhaphy kposthesis, substitute art etc. from the body transfer of tendon.Expectant treatment can not have the seriality of efficient recovery ligament, and ligament is through scar healing, and it is kept the stable strength in joint and descends; Joint capsule or desmorrhaphy kposthesis tend to make ligament cripetura even contracture, and function of joint is restricted.
To amphiarthrodial structure of above-mentioned human body and biomechanics characteristic, and the limitation of above-mentioned treatment technology, we are according to out of shape, the construction features of its ligament and the biomechanics bionical flexible fastening thing of treating above-mentioned amphiarthrosis damage that designed such as specific.
Summary of the invention
Technical problem to be solved by this invention provides a kind of bionical elastic fixing device; This fixture can be simulated the physiological status in dislocation joint; The realization fine motion is fixed; Obtain best therapeutic effect, have that post-operative recovery is fast, the dislocation relapse rate is low, the patient dislocates advantages such as the position functional rehabilitation is good.
The technical scheme that solves the problems of the technologies described above is:
A kind of bionical elastic fixing device; It comprises by elastomeric element and the fixation kit that is used for the elastomeric element two ends are connected with required fixed dislocation arthrodesis; Affiliated elastomeric element is a strip; Its assembly direction moves towards identical with the ligament fibers at required fixing joint place, and the elastic modelling quantity of the ligament fibers at the elastic modelling quantity of elastomeric element and required fixing joint place is suitable, and fixation kit is fixedly installed in the two ends of elastomeric element.
Above-mentioned bionical elastic fixing device, said elastomeric element are many elasticity drag-lines, elastic deeping or elastomeric elements.
Above-mentioned bionical elastic fixing device; The length of said elastomeric element is identical with the ligament fibers length at required fixing joint place; The fixing point at elastomeric element two ends is identical with the growing point at ligament fibers two ends, and the width of elastomeric element is identical with the ligament fibers length at required fixing joint place.
Above-mentioned bionical elastic fixing device, said fixation kit are miniature steel plate, and miniature steel plate is pressed in the two ends of elastomeric element, and miniature steel plate is fixed on the sclerotin in dislocation joint by screw.
Above-mentioned bionical elastic fixing device, said fixation kit are steel plate hook, and elastomeric element is connected with steel plate hook, and steel plate hook colludes the edge at the sclerotin in dislocation joint.
Above-mentioned bionical elastic fixing device, said fixation kit are screw, and screw is fixed on elastomeric element on the sclerotin in dislocation joint.
Beneficial effect of the present invention is:
The present invention is placed at elastomeric element needs fixed dislocation joint, and two ends are fixed with fixed component, and the ligament tissue of elastomeric element simulation dislocation joint is implemented flexible fastening to the dislocation joint.Compare with traditional strong immobile phase; Its advantage is that fixedly fine motion can be carried out according to the biological property in former joint in the backward dislocation joint; At utmost simulate its physiological status; Obtaining best therapeutic effect, and have that post-operative recovery is fast, the dislocation relapse rate is low, the patient dislocates advantages such as the position functional rehabilitation is good.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an another kind of structural representation of the present invention;
Fig. 3 is an another kind of structural representation of the present invention;
Fig. 4 is an acromioclavicular joint user mode sketch map;
Fig. 5 is a tibiofibula user mode sketch map;
Fig. 6 is a pubic symphysis user mode sketch map;
Fig. 7 is a chi radius user mode sketch map.
Labelling is following among the figure: elastomeric element 1, miniature steel plate 2, steel plate hook 3, screw 4, scapula 5, clavicle 6, tibia 7, fibula 8, pubis 9, ulna 10, radius 11.
The specific embodiment
The present invention is made up of elastomeric element 1 and fixed component, and fixed component has multiple, can be miniature steel plate 2, steel plate hook 3 and screw 4, and their effect is with elastomeric element 1 and dislocation arthrodesis.
Show among the figure; Elastomeric element 1 is a strip; Can be many elastic cables, elastic deeping or elastic webbing, its assembly direction moves towards identical with the ligament fibers of required fixedly dislocation joint, and the elastic modelling quantity of the ligament fibers of the elastic modelling quantity of elastomeric element 1 and required fixedly dislocation joint is suitable.In order better to play bionical fixed effect; Said elastomeric element 1 on dislocation joint sclerotin play, end the rising of fixing point and dislocation joint ligament, only growing point is identical, the width of elastomeric element 1 is consistent with the width of the ligament of required fixedly dislocation joint.
Make the elastic strip rope of elastomeric element 1 or the material of elastic deeping and can be bioabsorbable polymer material, natural material, like collagen, cellulose, natural coral etc., also can be for from body tendon or allogeneic tendon, perhaps various metal materials.
The two ends of elastomeric element 1 are fixed on the two ends in dislocation joint by fixation kit.
Show among the figure that fixation kit is a miniature steel plate 2, miniature steel plate 2 is pressed in the two ends of elastomeric element 1, and miniature steel plate 2 is fixed on the sclerotin in dislocation joint by screw.
Show among the figure that fixation kit is a steel plate hook 3, elastomeric element 1 is connected with steel plate hook 3, and steel plate hook 3 colludes the edge at the sclerotin in dislocation joint.
Show among the figure that fixation kit is a screw 4, screw 4 is fixed on elastomeric element 1 on the sclerotin in dislocation joint.
The present invention can be used in the internal fixation treatment of multiple joint dislocation such as acromioclavicular joint dislocation, the separation of shin calf, pubic symphysis separation, the separation of chi oar, below is the embodiment of treatment.
In the treatment of acromioclavicular joint dislocation, take following mode:
According to the fiber of coracoacromial ligament and coracoclavicular ligament direction out of shape and elastic modelling quantity, design flexibility parts 1, the elastomeric element 1 of imitation coracoacromial ligament and coracoclavicular ligament perhaps is a laminated structure respectively by 2-4 root bar Suo Zucheng.Elastomeric element 1 can be separately fixed on the scapula 5 and clavicle 6 at acromioclavicular joint two ends by miniature steel plate 2; Also can collude edge by steel plate hook 3 at scapula 5 and clavicle 6 sclerotin; Or penetrate the clavicle far-end and penetrate clavicle 6 far-ends through processus coracoideus through acromion; After fixing the completion, can simulate the physiological status of acromioclavicular joint, the realization fine motion is fixed.
In the isolating treatment of shin calf, take following mode:
According to the fiber of the forward and backward ligament of lower tibiofibula direction out of shape and elastic modelling quantity, design flexibility parts 1, the elastomeric element 1 of the forward and backward ligament of imitation lower tibiofibula perhaps is a laminated structure respectively by 2-4 root bar Suo Zucheng.Elastomeric element 1 can be separately fixed at the two ends of tibia 7, fibula 8 by miniature steel plate 2; Also can collude at the edge of tibia 7, fibula 8 sclerotin, or pass to tibia 7, after fixing the completion through fibula 8 by steel plate hook 3; Can simulate the physiological status of lower tibiofibula associating, the realization fine motion is fixed.
In the isolating treatment of pubic symphysis, take following mode:
Pubic symphysis top ligament is superior pubic ligament, and the place ahead is a ligament before the pubis.According to the terminal and the out of shape and elastic modelling quantity of above-mentioned ligament, design flexibility parts 1, the elastomeric element 1 of imitation superior pubic ligament perhaps is a laminated structure respectively by 2-4 root bar Suo Zucheng.Elastomeric element 1 can be separately fixed at the two ends of left and right sides pubis 9 by miniature steel plate 2; Also can collude edge by steel plate hook 3 at bilateral pubis 9 sclerotin; Or pubis 9 tops pass through both sides to use screw and nut structure; After fixing the completion, can simulate the physiological status of complete pubic symphysis, the realization fine motion is fixed.Also can design another kind of elastomeric element 1 according to ligament before the pubis.
In the isolating treatment of distal radioulnar ioint, take following mode:
The bionical elastic fixing device of walking shaped position and this place of shaped design according to distal radioulnar ioint interosseous membrane, dorsal part cubitoradial ligament and palmar cubitoradial ligament; Wherein a kind of elastomeric element 1; The elastomeric element 1 of imitation dorsal part cubitoradial ligament perhaps is lamellar or RF respectively by 2-4 root bar Suo Zucheng.Elastomeric element 1 can be separately fixed at the two ends of ulna 10, radius 11 by miniature steel plate 2; Also can collude edge by steel plate hook 3 or screw at ulna 10, radius 11 sclerotin; Or pass to radius 11 through ulna 10; After fixing the completion, can simulate the physiological status of lower tibiofibula associating, the realization fine motion is fixed.Another kind of elastomeric element 1 imitation palmar cubitoradial ligament, the third elastomeric element 1 imitation interosseous membrane, according to the damage location and the order of severity, 3 elastomeric elements can make up use.
In sum: core of the present invention is to utilize the fixing dislocation of the elastomeric element that ligament fibers moves towards identical, elastic modelling quantity the is suitable joint that is provided with required fixedly dislocation joint; Make fixing backward dislocation joint carry out fine motion according to the biological property in former joint; At utmost simulate its physiological status, to obtain best therapeutic effect, therefore; Protection scope of the present invention is not limited in the foregoing description; On the basis of the principle of the invention, through being provided with stationary device is carried out in the dislocation joint with the elastomeric element that ligament fibers moves towards identical, elastic modelling quantity is suitable of required fixedly dislocation joint, all belong to protection scope of the present invention.
Claims (7)
1. bionical elastic fixing device; It is characterized in that: it comprises by elastomeric element (1) and the fixation kit that is used for elastomeric element (1) two ends are connected with required fixed dislocation arthrodesis; Affiliated elastomeric element (1) is a strip; Its assembly direction moves towards identical with the ligament fibers at required fixing joint place, and the elastic modelling quantity of the ligament fibers at the elastic modelling quantity of elastomeric element (1) and required fixing joint place is suitable, and fixation kit is fixedly installed in the two ends of elastomeric element (1).
2. bionical elastic fixing device according to claim 1 is characterized in that: said elastomeric element (1) is many elasticity drag-lines, elastic deeping or elastic webbings.
3. bionical elastic fixing device according to claim 2; It is characterized in that: the length of said elastomeric element (1) is identical with the ligament fibers length at required fixing joint place; The fixing point at elastomeric element (1) two ends is identical with the growing point at ligament fibers two ends, and the width of elastomeric element (1) is identical with the ligament fibers length at required fixing joint place.
4. according to claim 1 or 2 or 3 described bionical elastic fixing devices; It is characterized in that: said fixation kit is miniature steel plate (2); Miniature steel plate (2) is pressed in the two ends of elastic webbing (1), and miniature steel plate (2) is fixed on the sclerotin in dislocation joint by screw.
5. according to claim 1 or 2 or 3 described bionical elastic fixing devices, it is characterized in that: said fixation kit is steel plate hook (3), and elastic webbing (1) is connected with steel plate hook (3), and steel plate hook (3) colludes the edge at the sclerotin in dislocation joint.
6. according to claim 1 or 2 or 3 described bionical elastic fixing devices, it is characterized in that: said fixation kit is steel plate hook (3), and elastic webbing (1) is connected with steel plate hook (3), and steel plate hook (3) colludes the edge at the sclerotin in dislocation joint.
7. according to claim 1 or 2 or 3 described bionical elastic fixing devices, it is characterized in that: said fixation kit is screw (4), and screw (4) is fixed on elastic webbing (1) on the sclerotin in dislocation joint.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188096XA CN102670293A (en) | 2012-06-08 | 2012-06-08 | Bionic elastic fixing device |
| US14/406,375 US20150148852A1 (en) | 2012-06-08 | 2013-06-06 | Bionic elastic fixing device |
| PCT/CN2013/076840 WO2013182062A1 (en) | 2012-06-08 | 2013-06-06 | Bionic elastic fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210188096XA CN102670293A (en) | 2012-06-08 | 2012-06-08 | Bionic elastic fixing device |
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| CN102670293A true CN102670293A (en) | 2012-09-19 |
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| CN201210188096XA Pending CN102670293A (en) | 2012-06-08 | 2012-06-08 | Bionic elastic fixing device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013182062A1 (en) * | 2012-06-08 | 2013-12-12 | 河北医科大学第三医院 | Bionic elastic fixing device |
| CN105555226A (en) * | 2013-08-12 | 2016-05-04 | 英国巴奥米特保健有限公司 | Ligament assembly |
| CN108553157A (en) * | 2018-05-16 | 2018-09-21 | 许敏 | A kind of orthopaedics support plate that disability patient in leg uses |
| CN106963518B (en) * | 2017-03-31 | 2018-12-18 | 上海长海医院 | A kind of abarticulation or the fixed device of ligament reconstructive |
| CN109330745A (en) * | 2018-11-27 | 2019-02-15 | 北京爱康宜诚医疗器材有限公司 | Pubis prosthesis assembly |
| CN111728686A (en) * | 2020-07-06 | 2020-10-02 | 复旦大学附属金山医院 | Acromioclavicular joint elastic fixing device |
| CN113520563A (en) * | 2021-07-22 | 2021-10-22 | 河北医科大学第三医院 | Pubis combined reduction plate and reduction assembly |
| CN115778629A (en) * | 2023-02-07 | 2023-03-14 | 四川大学华西医院 | Spinal interspinous composite ligament |
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| CN108553157A (en) * | 2018-05-16 | 2018-09-21 | 许敏 | A kind of orthopaedics support plate that disability patient in leg uses |
| CN109330745A (en) * | 2018-11-27 | 2019-02-15 | 北京爱康宜诚医疗器材有限公司 | Pubis prosthesis assembly |
| CN111728686A (en) * | 2020-07-06 | 2020-10-02 | 复旦大学附属金山医院 | Acromioclavicular joint elastic fixing device |
| CN113520563A (en) * | 2021-07-22 | 2021-10-22 | 河北医科大学第三医院 | Pubis combined reduction plate and reduction assembly |
| CN115778629A (en) * | 2023-02-07 | 2023-03-14 | 四川大学华西医院 | Spinal interspinous composite ligament |
| CN115778629B (en) * | 2023-02-07 | 2023-04-25 | 四川大学华西医院 | Interspinous compound ligament |
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Application publication date: 20120919 |